PERMIT RATIONALE FOR REISSUANCE
Jones County School District, 
Sharon Elementary School
Jones County
Laurel, Mississippi
Water NPDES No. MS0035416
March 2024

I.	CLASSIFICATION – Commercial NPDES 

II.	DESCRIPTION OF WASTEWATER – Domestic Wastewater

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated biologically by means of an aerated lagoon followed by disinfection.  No increase in treatment capacity is proposed within the application.  

IV.	RECEIVING WATERS – Unnamed tributary of Reedy Creek.  The receiving waters are located within the Pascagoula River Basin and are classified as Fish and Wildlife.  At the point of discharge the receiving stream does not appear on the current State of Mississippi 303(d) list of evaluated or impaired waterbodies.  The discharge does appear on the Total Maximum Daily Load (TMDL) for Fecal Coliform. Only one discharge to surface waters is described within the application with no increase in flow proposed.  

V.	APPLICABLE GUIDELINES – 11 Mississippi Admin Code pt. 6, Commercial Facility Guidelines (Technology), State of Mississippi Water Quality Criteria (MSWQS), TMDL

VI.	SUMMARY OF LIMITATIONS –
Parameter			Value				Basis
Flow				0.003 MGD			Design 
BOD5				30 mg/l (Yearly Avg.)		Technology
TSS				60 mg/l (Yearly Avg.)		Technology
E. Coli				126 Col./100 ml		MSWQS
Chlorine, Total Residual 	0.1 – 1.0 mg/l 			Technology
pH				6.0 – 9.0 SU			MSWQS